664516920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3947}}^1$

素因数の和:4045

約数の個数: 128

約数和(自身を含む): 2114864640

約数和(自身を除く): 1450347720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 61, 69, 92, 115, 120, 122, 138, 183, 184, 230, 244, 276, 305, 345, 366, 460, 488, 552, 610, 690, 732, 915, 920, 1220, 1380, 1403, 1464, 1830, 2440, 2760, 2806, 3660, 3947, 4209, 5612, 7015, 7320, 7894, 8418, 11224, 11841, 14030, 15788, 16836, 19735, 21045, 23682, 28060, 31576, 33672, 39470, 42090, 47364, 56120, 59205, 78940, 84180, 90781, 94728, 118410, 157880, 168360, 181562, 236820, 240767, 272343, 363124, 453905, 473640, 481534, 544686, 722301, 726248, 907810, 963068, 1089372, 1203835, 1361715, 1444602, 1815620, 1926136, 2178744, 2407670, 2723430, 2889204, 3611505, 3631240, 4815340, 5446860, 5537641, 5778408, 7223010, 9630680, 10893720, 11075282, 14446020, 16612923, 22150564, 27688205, 28892040, 33225846, 44301128, 55376410, 66451692, 83064615, 110752820, 132903384, 166129230, 221505640, 332258460, 664516920]

約数ペア:

[(1, 664516920), (2, 332258460), (3, 221505640), (4, 166129230), (5, 132903384), (6, 110752820), (8, 83064615), (10, 66451692), (12, 55376410), (15, 44301128), (20, 33225846), (23, 28892040), (24, 27688205), (30, 22150564), (40, 16612923), (46, 14446020), (60, 11075282), (61, 10893720), (69, 9630680), (92, 7223010), (115, 5778408), (120, 5537641), (122, 5446860), (138, 4815340), (183, 3631240), (184, 3611505), (230, 2889204), (244, 2723430), (276, 2407670), (305, 2178744), (345, 1926136), (366, 1815620), (460, 1444602), (488, 1361715), (552, 1203835), (610, 1089372), (690, 963068), (732, 907810), (915, 726248), (920, 722301), (1220, 544686), (1380, 481534), (1403, 473640), (1464, 453905), (1830, 363124), (2440, 272343), (2760, 240767), (2806, 236820), (3660, 181562), (3947, 168360), (4209, 157880), (5612, 118410), (7015, 94728), (7320, 90781), (7894, 84180), (8418, 78940), (11224, 59205), (11841, 56120), (14030, 47364), (15788, 42090), (16836, 39470), (19735, 33672), (21045, 31576), (23682, 28060)]